Sanitary napkin



FIG. 1 is a perspective view of a sanitary napkin, embodying our new design. The broken line showing of the sanitary napkin is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design;

FIG. 2 is a front view thereof. The broken line showing of the sanitary napkin is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design;

FIG. 3 is a back view thereof. The broken line showing of the sanitary napkin is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design; and,

FIG. 4 is an enlarged cross sectional view taken along A-A, and between B-B and B′-B′. The broken line showing of the sanitary napkin is included for the purpose of illustrating portions of the “article” and forms no part of the claimed design. 

The ornamental design for a sanitary napkin, as shown and described. 